Debt (Tables)

9 Months Ended

Sep. 30, 2013

Debt

Schedule of covenants

		Calculation as of
	Covenant	September 30, 2013
Leverage ratio	Maximum 4.00x	3.29x
Interest coverage ratio	Minimum 2.50x	20.3x

		Calculation as of
	Covenant	December 31, 2012
Leverage ratio	Maximum 2.50x	0.99x
Interest coverage ratio	Minimum 3.50x	48.8x
Liquidity	Minimum $50.0 million	$223.3 million